大约有 48,000 项符合查询结果(耗时:0.0419秒) [XML]

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“Least Astonishment” and the Mutable Default Argument

...thon. I found it very clear, and I really suggest reading it for a better knowledge of how function objects work. share | improve this answer | follow | ...
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Update Git submodule to latest commit on origin

...git submodule init # Time passes, submodule upstream is updated # and you now want to update # Change to the submodule directory cd submodule_dir # Checkout desired branch git checkout master # Update git pull # Get back to your project root cd .. # Now the submodules are in the state you want...
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Case-insensitive search in Rails model

...ot's comment does not apply to strings from user input. "#$$" is a little-known shortcut for escaping global variables with Ruby string interpolation. It's equivalent to "#{$$}". But string interpolation doesn't happen to user-input strings. Try these in Irb to see the difference: "$##" and '$##'. T...
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GitHub pull request showing commits that are already in target branch

... to something other than master. Then switch it back to master and it will now correctly show only the changes from the most recent commits. share | improve this answer | fol...
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How to get only time from date-time C# [closed]

... Try this: TimeSpan TodayTime = DateTime.Now.TimeOfDay; share | improve this answer | follow | ...
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Ruby: How to post a file via HTTP as multipart/form-data?

... I take that back, file uploads now work. Problem I'm having now is the server gives a 302 and the rest-client follows the RFC (which no browser does) and throws an exception (since browsers are supposed to warn about this behavior). THe other alternative i...
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Efficient SQL test query or validation query that will work across all (or most) databases

...g_table WHERE 1=0 or SELECT 1 FROM INFORMATION_SCHEMA.SYSTEM_USERS or CALL NOW() HSQLDB (tested with version 1.8.0.10) Note: I tried using a WHERE 1=0 clause on the second query, but it didn't work as a value for Apache Commons DBCP's validationQuery, since the query doesn't return any rows VAL...
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Dynamically creating keys in a JavaScript associative array

...l = dict["2bob2"]; // Read value of our cool secret key val = dict[key]; Now let's change values: // Change the value of fred dict.fred = "astra"; // The assignment creates and/or replaces key-value pairs // Change the value of 2bob2 dict["2bob2"] = [1, 2, 3]; // Any legal value can be used // ...
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glVertexAttribPointer clarification

...fore you render, you need to enable it with glEnableVertexAttribArray(0);. Now that an attribute is enabled, you need to define the data it's going to use. In order to do so you need to bind your VBO - glBindBuffer(GL_ARRAY_BUFFER, myBuffer);. And now we can define the attribute - glVertexAttribPoin...
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Various ways to remove local Git changes

...ave summarized the answer and embedded into my question. Christoph let me know what git stash -u does and how to pop it, but Frederik let me know reset hard and using the combination of git reset --hard and git clean -f , and why not stash is preferred in some scenarios. Now Please help me in choosi...